of BIOLOGY

VOLUME III
1928

Published by

THE WILLIAMS & WILKINS COMPANY

BALTIMORE

U.S. A.

CONTENTS

No. 1, MARCH, 1928

PAGE

The Sensory Capacities and Intelligence of Dogs, with a Report

on the Ability of the Noted Dog "Fellow" to Respond to Verbal

Stimuli....

The History of Whales. Their Adaptation to Life in the Water. Remington Kellogg 29

Recent Developments in the Philosophy of Biology.

.C. J. Warden and L. H. Warner I

Cephalopod Adaptations-The Record and Its Interpretation.

The Life Cycle and Mating Habits of the Male Tarantula..

New Biological Books:

Human Sapience.

Brief Notices..

Joseph Needham 77

Edward W. Berry 92

.W. J. Baerg 109

..Charles P. Winsor 117

127

No. 2, JUNE, 1928

Homology, Analogy and Plasis...

The History of Whales. Their Adaptation to Life in the Water

(Concluded)....

The Effect of Carbon Dioxide on Bacteria..

John Tait 151

.Remington Kellogg 174

George Valley 209

Controlled Mating in Honeybees.

Experiments on Longevity....

Criteria for Distinguishing Identical and Fraternal Twins.

New Biological Books:

Morgan on Entwicklungsmechanik.

281

Richard Goldschmidt 307

.A. L. Kroeber 325

Clifford H. Farr 343

.Lloyd R. Watson 377

Raymond Pearl 391

Taku Komai 408

.S. R. Detwiler and H. B. Adelmann 419

Brief Notices....

427

No. 4, DECEMBER, 1928

The Chloroplast Pigments, their Functions, and the Probable

Relation of Chlorophyll to the Vitamines..

The Development of Modern Comparative Psychology.

Animal Evolution....

The Metabolism of Insects..

Frank M. Schertz 459

.C. J. Warden 486

..Austin H. Clark 523

Mary Honora Sayle 542